Not really. It’s a CNS depressant so tachycardia shouldn’t result from it. It’s more likely to happen if the medicine has worn off (it lasts around 4 hours) and you aren’t taking it properly. Doctors give unbiased, trusted information on whether Alprazolam can cause or treat Heart Palpitations: Dr. Parola on does xanax help heart palpitations: Not usually effective. Search Sign up free Re: Tachycardia (rapid heart beat)-- scared Did it sound like that is what I was saying, that the Xanax is causing it? I am sorry, I must have not made that clear through my rambling, I was saying, or meant to say that the withdraw will cause that, not taking the medicine. Xanax (generic name: alprazolam) is a fast-acting treatment for anxiety disorders, panic attacks and insomnia. It acts as an effective sedative and can be also used for a wide range of conditions. Why does xanax help my skips. It more likly anxiety for sure but that does not rule other medical condition on top of the anxiety. Comment. rilesnic. What did you say you do for your panic attacks? I suffer from panic attacks and severe anxiety as a direct result of my tachy and PAC's. I take atenolol 12.5mg QHS (a beta-blocker) to slow my rate down, but at times it still races. I too, am. Summary. Tachycardia is found among people who take Xanax, especially for people who are female, 60+ old , have been taking the drug for 1 month, also take medication Lasix, and have Depression. Xanax (generic name: alprazolam) is a fast-acting treatment for anxiety disorders, panic attacks and insomnia. It acts as an effective sedative and can be also used for a wide range of conditions. Seek emergency medical help if you have any of these signs of an allergic reaction to Xanax: hives, difficulty breathing, and swelling of the face, lips, tongue, or throat. Call your doctor at. Xanax (alprazolam) is an anxiolitic drug and can help to calm anxiety in cases of panic attack. But Xanax can not be used for long term treatment of panic attacks because it creates dependency. Selective serotonin reuptake inhibitors SSRIs can be used for long-term treatment of panic attacks. Psycho-therapy can be also very useful. The Xanax would not be expected to have a direct effect on lowering heart rate, other than by reducing anxiety. It is possible that you have a sinus tachycardia due to some problem with your sinus node, even though the structure of the heart is normal, in which case a cardiac electrophysiologist may be able to help you out.